EP0818046A4 - Capacitive absolute pressure sensor and method - Google Patents

Capacitive absolute pressure sensor and method

Info

Publication number
EP0818046A4
EP0818046A4 EP95939941A EP95939941A EP0818046A4 EP 0818046 A4 EP0818046 A4 EP 0818046A4 EP 95939941 A EP95939941 A EP 95939941A EP 95939941 A EP95939941 A EP 95939941A EP 0818046 A4 EP0818046 A4 EP 0818046A4
Authority
EP
European Patent Office
Prior art keywords
pressure sensor
absolute pressure
capacitive absolute
capacitive
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95939941A
Other languages
German (de)
French (fr)
Other versions
EP0818046A1 (en
EP0818046B1 (en
Inventor
Wen H Ko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Case Western Reserve University
Original Assignee
Case Western Reserve University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Case Western Reserve University filed Critical Case Western Reserve University
Priority to EP02014372A priority Critical patent/EP1286147A1/en
Publication of EP0818046A1 publication Critical patent/EP0818046A1/en
Publication of EP0818046A4 publication Critical patent/EP0818046A4/en
Application granted granted Critical
Publication of EP0818046B1 publication Critical patent/EP0818046B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0073—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
EP95939941A 1994-11-22 1995-11-09 Method for forming a capacitive absolute pressure sensor Expired - Lifetime EP0818046B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02014372A EP1286147A1 (en) 1994-11-22 1995-11-09 Capacitive absolute pressure sensor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/343,712 US5528452A (en) 1994-11-22 1994-11-22 Capacitive absolute pressure sensor
US343712 1994-11-22
PCT/US1995/014770 WO1996016418A1 (en) 1994-11-22 1995-11-09 Capacitive absolute pressure sensor and method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP02014372A Division EP1286147A1 (en) 1994-11-22 1995-11-09 Capacitive absolute pressure sensor

Publications (3)

Publication Number Publication Date
EP0818046A1 EP0818046A1 (en) 1998-01-14
EP0818046A4 true EP0818046A4 (en) 1998-12-02
EP0818046B1 EP0818046B1 (en) 2003-01-22

Family

ID=23347305

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02014372A Withdrawn EP1286147A1 (en) 1994-11-22 1995-11-09 Capacitive absolute pressure sensor
EP95939941A Expired - Lifetime EP0818046B1 (en) 1994-11-22 1995-11-09 Method for forming a capacitive absolute pressure sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02014372A Withdrawn EP1286147A1 (en) 1994-11-22 1995-11-09 Capacitive absolute pressure sensor

Country Status (13)

Country Link
US (2) US5528452A (en)
EP (2) EP1286147A1 (en)
JP (1) JPH10509241A (en)
KR (1) KR100355421B1 (en)
CN (1) CN1092836C (en)
AU (1) AU686916B2 (en)
BR (1) BR9509747A (en)
CA (1) CA2205169C (en)
DE (2) DE818046T1 (en)
ES (1) ES2118672T1 (en)
PL (1) PL179139B1 (en)
RU (1) RU2171455C2 (en)
WO (1) WO1996016418A1 (en)

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CN110044537A (en) * 2019-03-27 2019-07-23 西人马联合测控（泉州）科技有限公司 Pressure sensor and its manufacturing method
CN112034204A (en) * 2020-08-01 2020-12-04 沈阳工业大学 Linked contact capacitance type acceleration sensitive chip and manufacturing method thereof
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Also Published As

Publication number Publication date
CA2205169A1 (en) 1996-05-30
BR9509747A (en) 1997-10-21
CA2205169C (en) 2002-10-15
PL179139B1 (en) 2000-07-31
WO1996016418A1 (en) 1996-05-30
EP1286147A1 (en) 2003-02-26
CN1172547A (en) 1998-02-04
AU4158196A (en) 1996-06-17
AU686916B2 (en) 1998-02-12
ES2118672T1 (en) 1998-10-01
DE69529477T2 (en) 2003-07-31
US5585311A (en) 1996-12-17
PL320670A1 (en) 1997-10-27
KR100355421B1 (en) 2002-12-18
JPH10509241A (en) 1998-09-08
RU2171455C2 (en) 2001-07-27
EP0818046A1 (en) 1998-01-14
DE69529477D1 (en) 2003-02-27
EP0818046B1 (en) 2003-01-22
KR987000672A (en) 1998-03-30
MX9703726A (en) 1998-07-31
DE818046T1 (en) 1998-07-16
US5528452A (en) 1996-06-18
CN1092836C (en) 2002-10-16

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